# Rastrek vs SOMUC

The clearest difference is update cadence: SOMUC at every 4 days against Rastrek's every 2 months. Rastrek's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Rastrek ships an update every 2 months, SOMUC every 4 days. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Rastrek | SOMUC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 37 MB | 48 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [RHEINHEIMER GROUP HOLDING E FRANQUIAS LTDA](https://appshunter.io/developer/1378637641) | [INSTITUTO DE PESQUISA AMBIENTAL DA AMAZONIA](https://appshunter.io/developer/1586191017) |

## What reviewers say

### Rastrek

[App page](https://appshunter.io/ios/app/rastrek/id1398123951)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SOMUC

[App page](https://appshunter.io/ios/app/somuc/id6483364997)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rastrek free?

Rastrek is free to download, with no in-app purchases.

### Is SOMUC free?

SOMUC is free to download, with no in-app purchases.

### Do Rastrek or SOMUC have ads?

Neither Rastrek nor SOMUC shows ads.

### Which is updated more often, Rastrek or SOMUC?

Rastrek ships an update every 2 months, and SOMUC every 4 days. Most recently, Rastrek was updated on October 14, 2026 and SOMUC on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*